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Finding the Fourth Proportional to 158,740.75, 238,111.13 and 47,932.75

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Solution

The fourth proportional to 158,740.75, 238,111.13 and 47,932.75 is: 71,899.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,740.75 : 238,111.13 = 47,932.75 : x
  2. Step 2: Convert to fraction form
    158,740.75/238,111.13 = 47,932.75/x
  3. Step 3: Cross multiply
    158,740.75x = 238,111.13 × 47,932.75
  4. Step 4: Simplify right side
    158,740.75x = 11,413,321,266.51
  5. Step 5: Solve for x
    x = 11,413,321,266.51/158,740.75
  6. Step 6: Final answer
    x = 71,899.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.